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LSET: Prevent assertion in MSW when size is not a multiple of 4 

(cherry picked from commit 2ea565473f)
This commit is contained in:
Jon Evans 2019-12-25 11:34:12 -05:00
parent a5622c93d4
commit ef80642dec
1 changed files with 8 additions and 5 deletions
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13
common/lset.cpp
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@ -286,17 +286,20 @@ std::string LSET::FmtHex() const
static const char hex[] = "0123456789abcdef";
int nibble_count = ( size() + 3 ) / 4;
unsigned nibble_count = ( size() + 3 ) / 4;
for( int nibble=0; nibble<nibble_count; ++nibble )
for( unsigned nibble = 0; nibble < nibble_count; ++nibble )
{
unsigned ndx = 0;
// test 4 consecutive bits and set ndx to 0-15:
for( int nibble_bit=0; nibble_bit<4; ++nibble_bit )
for( unsigned nibble_bit = 0; nibble_bit < 4; ++nibble_bit )
{
if( (*this)[nibble_bit + nibble*4] )
ndx |= (1 << nibble_bit);
if( ( nibble_bit + nibble * 4 ) >= size() )
break;
if( (*this)[nibble_bit + nibble * 4] )
ndx |= ( 1 << nibble_bit );
}
if( nibble && !( nibble % 8 ) )